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Finding the Fourth Proportional to 447,607, 617,697.66 and 246,403

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Solution

The fourth proportional to 447,607, 617,697.66 and 246,403 is: 340,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,607 : 617,697.66 = 246,403 : x
  2. Step 2: Convert to fraction form
    447,607/617,697.66 = 246,403/x
  3. Step 3: Cross multiply
    447,607x = 617,697.66 × 246,403
  4. Step 4: Simplify right side
    447,607x = 152,202,556,516.98
  5. Step 5: Solve for x
    x = 152,202,556,516.98/447,607
  6. Step 6: Final answer
    x = 340,036.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.